船用球墨铸铁轴承体黑斑缺陷的消除  

Eliminating marine nodular cast iron bearing's shading defects

作　　者：高博[1] 史明建 史国庆 陈园社 GAO Bo;SHI MingJian;SHI GuoQing;CHEN YuanShe(The navy's XingPing regional military agent's room, XingPing 713105,Shaanxi,China;Shaanxi diesel engine heavy industry Co., Ltd., XingPing 713105,Shaanxi ,China)

机构地区：[1]海军驻兴平地区军事代表室,陕西兴平713100 [2]陕西柴油机重工有限公司,陕西兴平713100

出　　处：《中国铸造装备与技术》2017年第1期42-45,共4页China Foundry Machinery & Technology

摘　　要：分析了低温型材质QT350-22AL船用轴承体黑斑缺陷产生的原因,通过减少冷铁数量、调整碳当量,加强铁液孕育处理等措施,消除了船用轴承体的黑斑缺陷。Analyzing the reason of marine nodular cast iron bearing’s shading defects,The material of bearingis QT350-22AL;According to reducing the number of cold iron,Adjusting the carbon equivalent,Strengtheningthe liquid iron inoculation treatment,etc.Have eliminated marine nodular cast iron bearing’s shading defects.

关 键 词：黑斑 轴承体 碳当量 孕育处理 冷铁 

分 类 号：TG255[金属学及工艺—铸造]